Essay On Invasive Species

Other invasive species may not destroy the habitat, but it can have an impact by killing large numbers of other species. Burmese pythons, for example, are top predators in the Everglades. As such, they have local mammal and bird populations. They are capable of consuming deer and even alligators, these creatures eat virtually any animal they encounter in the Everglades. A number of threatened and endangered bird species have also been found in the digestive tracts of pythons, prompting concern that they could drive some species toward extinction Lampreys in the Great Lake parasitize native fish. Because the native species have not evolved defenses to lampreys, they often die outright from wounds, or wounds become infected and eventually cause

Invasive species are the second largest threat to biodiversity after habitat loss. An invasive species is a species that is not native to a particular area, but arrives (usually with human help), establishes a population, and spreads on its own. Not all species that come to a new location become invasive in fact most of them do not. A lot of the garden plants are imported from other places, and they sometimes grow wild, they do not achieve big populations and do not make a huge splash on native species survival. These are just called non-native or introduced species. The introduced species that do become invasive are the ones that cause big problems. Some places are especially easy to invasive

Another way invasive species can affect human ecosystem and diversity is habitat change. In European beachgrass was introduced to sand dunes on the coast of California, Oregon and Washington in the 1800s. Beachgrass was planted to stabilize the ever-shifting dunes, and it worked well. European beachgrass forms huge stands of tall, itchy grass and is usually the only species living on dunes that once had a large variety of native grasses and wildflowers. The beachgrass provides more cover for predators that eat seabirds and native